Attachment for oil tanks



Sapt. 27, 1927. 1,643,833

J. A BUTCHER ATTACHMENT FOR 011. TANKS Filed May 29, 1926 1N VEN TOR.

Joseph Barrelar- L ATTORNEY.

Patented Sept. 27, 1927. l

Application filed Maya), 1926. Serial No. 112,671.

This invention relates to' oil tanks generally, more particularly to an attachment therefor for preventing explosions from accumulating gases or vapors within the tank, and is an improvement upon the means for the purpose aforesaid as disclosed in Letters Patent No. 1,311,753, granted to me July 29, 1919, and the invention has for its object to provide, in a manner as hereinafter set forth, means communicating with the outtake pipe of the tank for relieving the latter from gases or vapors generated therein, while the oil is stored in the tank or when filling and emptying the tank or caused from any other source thereby reducing the possibility of explosions within the tank to a minimum, and further for condensing such gases or vapors exteriorly of the tank as well as for collecting the condensates.

Further objects of the invention are to provide, in a manner as hereinafter referred to, an attachment for the purpose set forth, which is comparatively simple in its construction and arrangement, strong, durable, compact, readily, installed with respect to one or a plurality of tanks, automatic in its action, and comparatively inexpensive to set With the foregoing and other objects in view, the invention consists of the novel construction, combination and arrangement of parts as hereinafter more specifically described and illustrated in the accompanying drawings wherein is shown an embodiment of the invention, but it is to be understood that changes, variations and modifications can be resorted to, which fall within the scope of the claims hereunto appended.

The drawing illustrates in elevation, an oil tank showing the adaptation therewith of an attachment in accordance with this invention.

Referring to the drawing in detail 1 denotes an oil tank, which may be of any suitable form, but preferably is that disclosed by the aforesaid mentioned Letters Patent, and 2 indicates a suitable inlet pipe or intake which opens into the tank 1 at the hotline 5 consisting of a vertically disposed branch 6 which depends from the T-couling 4 below the bottom of the tank, ranch-es 7, 8, 9 and 10 which extend at right angles with respect to the lower end of thebranch 6, a vertically disposedstand pipe 11, a coupling orhousing 12 arranged at the top of the stand pipe 11 and provided withan out-let 13, a cut-off valve 14 interposed between the branches 7 and 8, a T- couplnig 15 interposed betweenthe branches 8 and 9, a four-way coupling 16 inter,

posed between the branches 9 and 10,

and an elbow coupling 17 is interposed be- 1 tween the branch 10 and the lower end of the stand pipe 11. the outer end of the T-coupling 4 is a combined vent and overflow line 18 which consists of a pair of pipe branches 19, 20,

a check valve 21 connecting the branches-v 1$:) and 20 together, a vertically disposed plpe branch'22 which opens at its lower end into the T -coupling 15 and has its upper end connected with the pipe branch 20 by an elbow coupling 23. The branch 19 opens into the T-coupling 4 and said branch 19,

check valve 21 and branch 20' is disposed at right angles with respect to the upper end of the branch 6 of the discharge line 5.

Arranged below the elbow coupling 17 is a tank 24 which provides a collector for the condensates and a pipe 25 leads from the top of the tank 24 and opens intothe elbow coupling 17 whereby communication is established between the discharge line 5 and the tank 24. The tank 24 has extending therein a discharge pipe 26 for the condensates and said pipe 26 depends into the tank 24 to a point in proximity to the bottom thereof. The tank 24 has also connect- 00 tom thereof. Communicating with the upcharge lines 28 which lead from other oil per portion of the tank 1 is a lateral outlet storage tanks and the attachment can be pipe 3 and which provides means for the employed in the manner where one stand discharge of the accumulating gases or vapipe and one collecting tank 24 can be used pors generated within the tank 1. for a plurality of oil storage tanks.

as Connected to the outlet pipe 3 is a T- If the valve 14 is closed the tank 1 can coupling 4 from which extends a discharge be vented, or the accumulated gases or Extending from i or emptying the tank. The accumulating gases or vapors can pass out through the line 5 and also through .the line 1.8 and .on.v

the travel thereof they will come in contact with the air inthe. line 5 and the gases or vapors are condensed. and the condensates fall into the tank 24 from which they can be discharged when desired.

The valve 14 can be closedto cut off ignited or burning oil in event of the same taking lire and thetank vented through the line .18 of the gasesor vapors or ,products of combustion. hen the tank is being filled with oil the valve 1 is closed and the tank is vented through the line 22. When filling the tank the overflow is conducted off by the line 22 which :opens into the line '5 by way of the valve l4."

It is thought that the many advantages of an attachment for the purpose referred to and :in accordance with this invention can be readily understood andxalthouglh the .preferred embodiment of the invention is as illustrated and described, yet it is to be understood that changes in the details of construction can be had which will fall within the scope 'o-f the invention as claimed. lVhat I claim is: v 1 v .1. An attachment for oil storage tanks comprising a gas accumulating discharge lineleading from the upper portion of the tank and including a vertically disposed branch depending below the bottom of the tank :and ran angularly disposed branch positioned below the bottom of the tank and I terminating in a vertically disposed stand pipe having a safety valve at its upper end, a cut-oif' arranged in saidwangul'arly disposed branch intermediate the ends thereof,

a valve controlled vent line leading from a point in proximity to the tank and opening into said discharge line forwardly of said cut-off, and a condensate collector colnmunicating at its top with said discharge line forwardly of said cut-off, and means for d1scharg1ng=the condensates from said collector.

.2. An attachment for oil. storage tanks constructed :in accordance with 'clann l, said angularly disposed branch provided with means for coupling a plurality of discharge lines therewith.

3. An attachment. for oil storage tanks comprising a discharge line for .accumdlated gases, said line leading from the upper ,por-

tion of the tank and including a ver i y disposed branch depending below thewbottom; of the tank and angularly disposed branch extending from and (positioned be- 7 low the bottom of the tank, a vertically dis} nicating at its top with-the forward end of said a-n-gularly disposed branch,- means for discharging the condensates from said collector, and means interposed in (said angznlarly disposed branch forwardly of said outoif for coupling therewith a-p hngaliity-of discharge lines.

In testimony whereof, I affix my signature hereto.

JQS-EPHA. BnToHE-n. 

